Developed and integrated the Verbose Test Result Display feature for the facebook/buck2 repository, focusing on enhancing test output visibility for passing tests when high verbosity is enabled. Leveraging Rust and system programming expertise, the work aligned buck2’s user experience with buck1 by providing detailed test context without cluttering the interface. The implementation involved careful code changes, cross-repository review, and seamless integration to maintain code quality and reliability. Emphasis was placed on test automation and quality assurance, ensuring that developers receive more actionable feedback during continuous integration runs and can triage issues more efficiently within the buck2 build system.